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Finding the Fourth Proportional to 241,870.32, 333,664.92 and 208,278

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Solution

The fourth proportional to 241,870.32, 333,664.92 and 208,278 is: 287,323.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,870.32 : 333,664.92 = 208,278 : x
  2. Step 2: Convert to fraction form
    241,870.32/333,664.92 = 208,278/x
  3. Step 3: Cross multiply
    241,870.32x = 333,664.92 × 208,278
  4. Step 4: Simplify right side
    241,870.32x = 69,495,062,207.76
  5. Step 5: Solve for x
    x = 69,495,062,207.76/241,870.32
  6. Step 6: Final answer
    x = 287,323.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.